CN103146887B - 一种炼钢复合精炼剂及其制备方法 - Google Patents
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- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000007670 refining Methods 0.000 title abstract description 19
- 229910000831 Steel Inorganic materials 0.000 title abstract description 15
- 239000010959 steel Substances 0.000 title abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010445 mica Substances 0.000 claims abstract description 10
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 10
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 10
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000292 calcium oxide Substances 0.000 claims abstract description 8
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000006004 Quartz sand Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 6
- 238000009628 steelmaking Methods 0.000 claims description 14
- 230000004048 modification Effects 0.000 claims description 10
- 238000012986 modification Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000005204 segregation Methods 0.000 claims description 8
- 239000001488 sodium phosphate Substances 0.000 claims description 8
- 235000011008 sodium phosphates Nutrition 0.000 claims description 8
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- 239000008367 deionised water Substances 0.000 claims description 6
- 229910021641 deionized water Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052923 celestite Inorganic materials 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 3
- 239000010433 feldspar Substances 0.000 claims description 3
- 238000013467 fragmentation Methods 0.000 claims description 3
- 238000006062 fragmentation reaction Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000007873 sieving Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 13
- 238000006477 desulfuration reaction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 abstract 3
- 239000002956 ash Substances 0.000 abstract 3
- 239000010451 perlite Substances 0.000 abstract 3
- 235000019362 perlite Nutrition 0.000 abstract 3
- 230000000274 adsorptive effect Effects 0.000 abstract 1
- 235000019830 sodium polyphosphate Nutrition 0.000 abstract 1
- 230000023556 desulfurization Effects 0.000 description 9
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- QCJQWJKKTGJDCM-UHFFFAOYSA-N [P].[S] Chemical compound [P].[S] QCJQWJKKTGJDCM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000009847 ladle furnace Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
本发明公开了一种炼钢复合精炼剂及其制备方法，其组成原料的重量份为：氧化钙42-45、六偏聚磷酸钠13-15、二氧化钛11-13、石英砂3-5、碳化硅2-4、云母粉15-20、膨胀珍珠岩18-22和改性树木灰烬7-9；本发明的原料中添加了碳化硅、云母粉、膨胀珍珠岩和改性树木灰烬，变废为宝，充分利用了其吸附性能，精炼剂脱硫、脱磷效果好，减少了回磷现象，同时，其中氧化钙含量高，降低了生产成本。
Description
技术领域
本发明涉及炼钢技术领域，具体涉及一种炼钢复合精炼剂及其制备方法。
背景技术
目前，对炼钢生产率和成本以及钢铁产品质量提出了越来越高的要求，为适合这一要求，炉外精炼特别是钢包炉精炼成为现代精炼流程中的重要生产工序，在各冶金企业得到广泛应用，钢包炉精炼的一个主要冶金功能是利用精炼剂对钢液进行精炼，以达到降低钢水中氧、硫和夹杂物含量的目的，提高钢的性能，精炼剂品种很多。
发明内容
本发明的目的在于提供一种炼钢复合精炼剂及其制备方法，本发明精炼剂配方中增加了碳化硅、云母粉、膨胀珍珠岩和改性树木灰烬，充分利用了其吸附性能，精炼剂脱硫、脱磷效果好，成本低。
为了实现上述目的本发明采用如下技术方案：
炼钢复合精炼剂，其组成原料的重量份为：氧化钙42-45、六偏聚磷酸钠13-15、二氧化钛11-13、石英砂3-5、碳化硅2-4、云母粉15-20、膨胀珍珠岩18-22和改性树木灰烬7-9。
炼钢复合精炼剂，其组成原料的重量份为：氧化钙43、六偏聚磷酸钠14、二氧化钛12、石英砂4、碳化硅3、云母粉18、膨胀珍珠岩20和改性树木灰烬8。
炼钢复合精炼剂的制备方法，包括以下步骤：
（1）破碎：用破碎机将各原料分别破碎；
（2）混合：将破碎好的各原料按配方要求混合，并用球磨机混合均匀；
（3）过筛：用100目筛网将混合均匀的原料过筛；
（4）干燥：将过筛后的原料放在烘箱中烘烤，去除水分，烘烤温度为120-130℃，根据水分的挥发程度控制烘烤时间。
所述的改性树木灰烬的制备方法如下：
a、树木灰烬用10-15%双氧水浸泡3-4小时，去离子水洗涤，再用10-12%氢氧化钠溶液浸泡3-4小时，再用去离子水洗涤至中性，烘干；
b、在上述处理后的树木灰烬加热熔化，加入相当于其重量2-3%的铁粉、1-2%的天青石粉、2-3%的钾长石粉、3-5%的六偏聚磷酸钠，搅拌，冲入冷水中冷却，烘干粉碎成超细粉末。
本发明的有益效果：
本发明的原料中添加了碳化硅、云母粉、膨胀珍珠岩和改性树木灰烬，变废为宝，充分利用了其吸附性能，精炼剂脱硫、脱磷效果好，减少了回磷现象，同时，其中氧化钙含量高，降低了生产成本。
具体实施方式
实施例1：炼钢复合精炼剂，其组成原料的重量份（kg）为：氧化钙43、六偏聚磷酸钠14、二氧化钛12、石英砂4、碳化硅3、云母粉18、膨胀珍珠岩20和改性树木灰烬8。
炼钢复合精炼剂的制备方法，包括以下步骤：
（1）破碎：用破碎机将各原料分别破碎；
（2）混合：将破碎好的各原料按配方要求混合，并用球磨机混合均匀；
（3）过筛：用100目筛网将混合均匀的原料过筛；
（4）干燥：将过筛后的原料放在烘箱中烘烤，去除水分，烘烤温度为125℃，根据水分的挥发程度控制烘烤时间。
所述的改性树木灰烬的制备方法如下：
a、树木灰烬用10%双氧水浸泡3小时，去离子水洗涤，再用10%氢氧化钠溶液浸泡3小时，再用去离子水洗涤至中性，烘干；
b、在上述处理后的树木灰烬加热熔化，加入相当于其重量3%的铁粉、1%的天青石粉、3%的钾长石粉、5%的六偏聚磷酸钠，搅拌，冲入冷水中冷却，烘干粉碎成超细粉末。
下面结合上述的精炼剂的制备实施例，具体描述本发明的炼钢精炼剂的使用方法：
采用实施例1 所述的精炼剂，按常规投加方法，分二次投加，试验钢水包有1-5号，脱硫、硫磷效果如下表：
1号：钢水条件：S 0.031%，P 0.176% ；脱硫率62%，脱磷率56%；
2号：钢水条件：S 0.039%，P 0.175% ；脱硫率51%，脱磷率57%；
3号：钢水条件：S 0.036%，P 0.179% ；脱硫率57%，脱磷率54%；
4号：钢水条件：S 0.035%，P 0.174% ；脱硫率58%，脱磷率59%；
5号：钢水条件：S 0.040%，P 0.181% ；脱硫率49%，脱磷率51%。
说明本发明精炼剂有较高的脱硫、硫磷率，且稳定性好，成本较低，能基本满足钢厂技术要求。
Claims (2)
1.一种炼钢复合精炼剂，其特征在于其组成原料的重量份为：氧化钙42-45、六偏聚磷酸钠13-15、二氧化钛11-13、石英砂3-5、碳化硅2-4、云母粉15-20、膨胀珍珠岩18-22和改性树木灰烬7-9；
所述的炼钢复合精炼剂的制备方法，包括以下步骤：
（1）破碎：用破碎机将各原料分别破碎；
（2）混合：将破碎好的各原料按配方要求混合，并用球磨机混合均匀；
（3）过筛：用100目筛网将混合均匀的原料过筛；
（4）干燥：将过筛后的原料放在烘箱中烘烤，去除水分，烘烤温度为120-130℃，根据水分的挥发程度控制烘烤时间；
所述的改性树木灰烬的制备方法如下：
a、树木灰烬用10-15%双氧水浸泡3-4小时，去离子水洗涤，再用10-12%氢氧化钠溶液浸泡3-4小时，再用去离子水洗涤至中性，烘干；
b、将上述处理后的树木灰烬加热熔化，加入相当于其重量2-3%的铁粉、1-2%的天青石粉、2-3%的钾长石粉、3-5%的六偏聚磷酸钠，搅拌，冲入冷水中冷却，烘干粉碎成超细粉末。
2.根据权利要求1所述的炼钢复合精炼剂，其特征在于其组成原料的重量份为：氧化钙43、六偏聚磷酸钠14、二氧化钛12、石英砂4、碳化硅3、云母粉18、膨胀珍珠岩20和改性树木灰烬8。
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| CN103667970B (zh) * | 2013-11-08 | 2016-01-27 | 铜陵安东铸钢有限责任公司 | 一种热强高碳钢材料及其制备方法 |
| CN104278168A (zh) * | 2014-10-31 | 2015-01-14 | 湖州织里天荣铝材添加剂厂 | 一种铝合金无钠精炼剂及其制备工艺 |
| CN105925861B (zh) * | 2016-07-01 | 2017-11-07 | 吴丽敏 | 一种骨螺钉合金材料及其制备方法 |
| CN109868384A (zh) * | 2019-03-20 | 2019-06-11 | 安徽信息工程学院 | 一种改变合金相的材料及其制备方法 |
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| SU1686007A1 (ru) * | 1989-07-03 | 1991-10-23 | Центральный научно-исследовательский институт металлургии и материалов | Шлакообразующа смесь дл десульфурации и дефосфорации стали |
| CN101613787A (zh) * | 2009-07-17 | 2009-12-30 | 凌幸福 | 钢水高效复合精炼剂 |
| CN101701280B (zh) * | 2009-10-16 | 2011-04-20 | 马鞍山中冶钢铁冶金高新技术有限公司 | 钢水炉外精炼剂及其生产方法 |
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| SU1686007A1 (ru) * | 1989-07-03 | 1991-10-23 | Центральный научно-исследовательский институт металлургии и материалов | Шлакообразующа смесь дл десульфурации и дефосфорации стали |
| CN101613787A (zh) * | 2009-07-17 | 2009-12-30 | 凌幸福 | 钢水高效复合精炼剂 |
| CN101701280B (zh) * | 2009-10-16 | 2011-04-20 | 马鞍山中冶钢铁冶金高新技术有限公司 | 钢水炉外精炼剂及其生产方法 |
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Denomination of invention: A composite refining agent for steelmaking and its preparation method Effective date of registration: 20220719 Granted publication date: 20150429 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2022450000096 |
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Denomination of invention: A composite refining agent for steelmaking and its preparation method Effective date of registration: 20231226 Granted publication date: 20150429 Pledgee: Bank of Guilin Co.,Ltd. Fangchenggang branch Pledgor: GUANGXI SHENGLONG METALLURGICAL CO.,LTD. Registration number: Y2023450000172 |